package stringUtil

const Name1 string = "123"
const Name2 string = "456"

type NameStruct struct {
	Name string
}

type NameService interface {
	PrintName(name string)
}

func PrintName(name string) {
	println(name)
}

func (NameStruct) IsNotEmpty(str string) bool {
	return !IsEmpty(str)
}

func IsEmpty(str string) bool {
	return len(str) == 0
}

func main() {
	IsEmpty("")
	println(IsEmpty(""))
}
